Electrically lighted sewing machine head



May 21, 1935. R. F. LIST ELECTRICALLY LIGHTED SEWING MACHINE HEAD FiledMarch 22, 1934 Jk/enfor:

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' Patented May 21, 1935 t UNITED STATES PATENToFFicE ELECTRICALLYLIGHTED SEWING MACHINE HEAD Raymond List, Belvidere, Ill., assignor toNational Sewing Machine Company, Belvidere, 111., a corporation ofIllinois Application March 22, 1934, Serial No. 716,797

1 Claim. (01. 240-214) This invention relates to electrically lighted toform a wall l2. A hood l3 corresponding subsewing machine heads and moreparticularly to stantially to the form of the wall I2, is cast inte- V asewing machine head having an overhanging grally with the arm l and isdisposed opposite arm and electric light mounting and reflecting to andoutwardly of the part l2 to form an open means made of integrally castiron. bottom housing and reflector for the lamp l4 and 5 It has beencustomary, heretofore, to-provide socket l5. The walls l2 and I3 are sodisposed V sewing machine heads with separate lighting atrelatively tothe arm ID that the housing formed tachments. These attachments comprisebrackthereby neatly covers the lamp and socket and ets, sockets, lampsand lamp reflectors of thin protrudes outwardly of the arm ll] onlyabout sheet metal, and usually the lighting attachment one-half as muchas would a lighting attachment 10 was mounted on the overhanging arm bymeans secured to the wall of a conventional overhanging of screws whichextend through the bracket and arm. the wall of the arm. The lamphousing l2--l3 at one end has par- The prior art constructions haveprovedv oballel, vertical walls l6, extending longitudinally ofJ'ectionable for several reasons. The sheet metal the arm l0, betweenwhich is mounted a bracket 15 reflector becomes very hot after the lamphas I! on a'pin l8 extending from the outer wall 3 been lighted for acomparatively short period and into the inner wall I6 and providing forlimited renders the operator uncomfortable. Further, pivotal movement ofthe lamp to permit replacethe lighting fixture as a whole, whethermounted ment of the lamp bulb when required. From the 2 on the front,rear or bottom wall of the convenwalls I6 the housing walls l9, l9extend in diver- '20 tional overhanging arm, is obtrusive and likelygent directions to parallel walls 20, providing to be in the way of theoperator. space for the socket l5, and then merge into walls One of theobjects of my invention is to provide 2|, 2| to accommodate the lampbulb I4. The a sewing machine head with a lighting device upper portions22 of the outer walls [9, 20 and 2| 25 which will resist the heat of theelectric lamp and are'curved to merge symmetrically into the wall of 25consequently remain relatively cool, and which the arm 10, and the walls2|,- ZI curve toward each will'efliciently reflect the lamp rays to thework. other at one end and merge with the arm l0. Another object is toproduce a unitary structure A switch for the lamp I4 is indicated at 23and in which the lighting device will be unobtrusive, a current wire at24.

and will not mar the symmetrical contour of the The lighting device ofmy invention is thus 10- 30 head. Another object is to cast theoverhanging cated with its longitudinal median axis substanarm and. thelight reflecting and mounting means tially in or very close to thevertical plane of the integrally. outermost portion of the rear wall ofthe arm [0,

. In the drawing: 1 with the bottom edges of the reflector aligned with5 Fig. '1 is a rear elevation of an overhanging arm the bottom wall ofthe arm II), where it casts rays of an electrically lighted sewingmachine head of light most effectively upon the work, and yet embodyingmy invention. the lamp is invisible'to the operator and not un- Fig. 2is a bottom view of the same. duly close to the work. The rigidity andcom- Fig. 3 is a transverse section taken on the line pactness of thestructure are valuable features in 40 3-3 of Fig. 1, showing the lamp inelevation. that vibration of the lighting device is avoided 40 In thatembodiment ofmy invention shown in and there is no interference withdropping the the drawing, l0 indicates the hollow, horizontally headinto the cavity of the conventional drop head disposed portion of theoverhanging arm of a support. v sewing machine head, and I I the housingfor the While I prefer to cast the light mounting and needle operatingmechanism. The conventional reflecting means on the rear wall of the arm[0, 45 bed plate and the upright standard for supportit is obvious thatit may be placed elsewhere on ing theoverhanging arm are not shown. 'Inprior the arm. art constructions the horizontal part of the over-Changes may be made in details of construchanging arm is substantiallycircular or oval in tion without departing from the scope of my incrosssection throughout its length between the vention and I do not intend tobe limited to the 50 supporting standard and the housing for theneeexact form 1 shown and described, except as set dle' operatingmechanism. The arm ll! of my forth in the appended claim. constructionis also substantially circular or oval I claim:- in cross sectionexcepting in its median portion An electrically lighted sewing machinehead where the rear lower wall is depressed inwardly comprising anoverhanging arm disposed hori- 55 zontally between the conventionalsewing head standard and the housing for needle operating mechanism, anelongated relatively shallow open bottom hood cast integrally with thearm wall, 5 the longitudinal medium axis of the hood being substantiallyparallel with and closely adjacent the vertical plane of the outermostside surface of the arm, the bottom edges of the hood being insubstantially the same horizontal plane as the lower surface of the arm,and an electric light socket and lamp bulb mounted between the sidewalls of the hood.

RAYMOND F. LIST.

CERTIFICATE OF CORRECTION.

Patent N0. 2, 001, 965. May 21, 1935.

RAYMOND F. LlSI.

it is hereby certified that error appears in the printed specificationof the above numbered patent requiring correction as follows: Page 2,first column, line 5, the claim, fer "medium" read median; and that thesaid Letters Patent should he read with this correction therein that thesame may conform to the record of the case in the Patent Office.

Signed and sealed this 25th day of June, A. D. 1935.

Bryan M. Battey (Seal) Acting Commissioner of Patents.

